Vest or similar article



FIG. 1 is an elevational view of the inside of a vest or similar article showing my new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a bottom plan view;

FIG. 4 is a rear elevational view;

FIG. 5 is a top plan view. 

The ornamental design for a vest or similar article, as shown and described. 